Clement Richard Attlee, 1st Earl Attlee, KG, OM, CH, PC (3 January 1883 - 8 October 1967) was a British politician, who served as Prime Minister of the United Kingdom from 1945 to 1951, and leader of the Labour Party from 1935 to 1955. He served as Deputy Prime Minister under Winston Churchill in the wartime coalition government, before leading the Labour Party to a landslide election victory over Churchill at the 1945 general election. He was the first Labour Prime Minister to serve a full Parliamentary term and the first to have a majority in Parliament